#3678C4#3678C4

#3678C4 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.8% C 0.136 H 253.9°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#3678C4
RGB	rgb(54, 120, 196)
HSL	hsl(212, 57%, 49%)
HSV	hsv(212, 72%, 77%)
CMYK	cmyk(72.4%, 38.8%, 0%, 23.1%)
CIE-LAB	lab(49.74, 4.82, -45.71)
CIE-LCH	lch(49.74, 45.97, 276.02°)
OKLab	oklab(56.76% -0.0375 -0.1303)
OKLCH	oklch(56.76% 0.136 253.9)
XYZ	xyz(18.1979, 18.2007, 54.7679)
Luminance	0.1820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3678C4 #C48236

analogous

#36BFC4 #3678C4 #3B36C4

triadic

#3678C4 #C43678 #78C436

tetradic

#3678C4 #C436BF #C48236 #36C43B

square

#3678C4 #C436BF #C48236 #36C43B

split-complementary

#3678C4 #C43B36 #BFC436

monochromatic

#1C3D64 #295B94 #3678C4 #6398D4 #93B7E1

Accessibility & contrast

On white

4.53

#3678C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#3678C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3678C4

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3678C4	#FFFFFF	#000000	##000000
##3678C4	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#557DC7

Deuteranopia (green-blind)

#3F70C2

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3678c4;
/* rgb */ color: rgb(54, 120, 196);
/* oklch */ color: oklch(56.8% 0.136 253.9);

Tailwind

colors: {
  custom: {
    50: '#7f9ed6',
    500: '#3678c4',
    950: '#000000',
  },
}

SCSS

$custom: #3678c4;
$custom-light: #7f9ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3678c4",
  "rgb": {
    "r": 54,
    "g": 120,
    "b": 196
  },
  "hsl": {
    "h": 212.113,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56756,
    "c": 0.13561,
    "h": 253.9
  },
  "luminance": 0.18203
}

Semantic roles & 50–950 ramp

primary

#3678C4

secondary

#CCAD89

accent

#9948E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3678C4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →